Home / 198,591,258.40-297,886,887.60-54,984,090.40

Finding the Fourth Proportional to 198,591,258.40, 297,886,887.60 and 54,984,090.40

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Solution

The fourth proportional to 198,591,258.40, 297,886,887.60 and 54,984,090.40 is: 82,476,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,591,258.40 : 297,886,887.60 = 54,984,090.40 : x
  2. Step 2: Convert to fraction form
    198,591,258.40/297,886,887.60 = 54,984,090.40/x
  3. Step 3: Cross multiply
    198,591,258.40x = 297,886,887.60 × 54,984,090.40
  4. Step 4: Simplify right side
    198,591,258.40x = 16,379,039,556,773,040
  5. Step 5: Solve for x
    x = 16,379,039,556,773,040/198,591,258.40
  6. Step 6: Final answer
    x = 82,476,135.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.